Home / 92,722,999.20-139,084,498.80-28,072,217.40

Finding the Fourth Proportional to 92,722,999.20, 139,084,498.80 and 28,072,217.40

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Solution

The fourth proportional to 92,722,999.20, 139,084,498.80 and 28,072,217.40 is: 42,108,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,722,999.20 : 139,084,498.80 = 28,072,217.40 : x
  2. Step 2: Convert to fraction form
    92,722,999.20/139,084,498.80 = 28,072,217.40/x
  3. Step 3: Cross multiply
    92,722,999.20x = 139,084,498.80 × 28,072,217.40
  4. Step 4: Simplify right side
    92,722,999.20x = 3,904,410,287,283,639
  5. Step 5: Solve for x
    x = 3,904,410,287,283,639/92,722,999.20
  6. Step 6: Final answer
    x = 42,108,326.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.